The article presents the results of research on winter wheat seed treatment with microbial preparations as stimulators plant growth and development, disease resistance, nutrition optimization.

The object of study is the process biogas production in a bioreactor with stirring device and an inert biofilm carrier. problematic issue retention on media at certain number revolutions stirrer. A scheme laboratory setup for studying carrier presented. An important value was determined - specific rate substrate release , without which it impossible to calculate surface determine amount methane...

Chronic inflammation in the periodontium, pulp and through pocket of which infection can spread towards root apex cause a retrograde development inflammatory process periapical tissues, is considered as an odontogenic focus.
 Aim: to study state periodontal periodontitis presence focus dynamics its change complex treatment.
 Material methods. 150 medical records dental patient were st...